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Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

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There are 20 feet of blood vessels in each square inch of human skin.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

The heme group is present in myoglobin, hemoglobin, and many other proteins The heme group is present in myoglobin, hemoglobin, and many other proteins
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
Animal carcasses like this South African wildebeest provide important nutrition for both hunters and Animal carcasses like this South African wildebeest provide important nutrition for both hunters and
Normal oxygen sensor frequency is from about one to five times per second. Normal oxygen sensor frequency is from about one to five times per second.
Hubble Space telescope Hubble Space telescope
Mechanisms of action of vitamin E, one of the most important lipid-soluble antioxidants Mechanisms of action of vitamin E, one of the most important lipid-soluble antioxidants
Video: Bone elongation - processes at the epiphyseal plate

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